Hydropatch Plastic Cement Français
CR-225 is an efficient plastic cement formulated for underwater uses for multi-purpose applications. It sticks on wetted and washed surfaces. It is used to seal leaks on roofs and foundations. Excellent under any climatic conditions; even under pouring rain and high temperature, it stays trowelable even at -20°C (-4ºF). It can also be used in different types of outside ponds except for drinking water. Once dry, it becomes a strong, waterproof and flexible coating.
  • High durability
  • Low Temperature Flexibility
  • Weather resistant
  • Good UV stability
  • Waterproof
  • Good tensile and elongation properties
Surface Preparation
Surfaces must be structurally sound, free of frost, dust, rust, chipped paint, organic mildew caused by stagnant water and any loose or deteriorated materials.
Apply with a putty knife or a trowel. To fill holes, joints and cracks, push product deeply into cracks and let bulge on surface to avoid standing water. When repairing cracks, holes and deteriorated surfaces, apply a 3 mm (1/8'') coat on weak spots and exceed by 150 mm (6'') around repairs. Clean tools and equipment with mineral spirits.
Clean tools and equipment with mineral spirits.
CAN/O.N.G.C. 37.5-M89
Available in tube of 300 ml and pails of 4 kg and 20 kg.
Shelf Life
This product can be conserved in its original container, tightly sealed, up to 12 months after purchasing date by the applicator.
Technical Data Table
Color Black
Solids by Volume 70 - 80 %
Weight 1,21 kg/L (10,1 pounds/gal)
Coverage 0,32 m²/kg (3,45 ft²/kg) for 3 mm (1/8'') coat
Dry Time*

to 50 % H.R. 20°C (68°F)

To the Touch* 4 hours
Completely Dry* 48 hours
Service Temperature Maximum : 85°C (185°F) Dry coating
Application Temperature 10°C or more
Chemical Resistance

Resistant to water calcium chloride, salt and to lightly acid or alkaline solutions. Is not resistant to oils, greases and solvents.

Permeance to Water Vapor (ASTM E96) 3 mm (1/8'') coat before drying 2.9 ng/Pa.m2.s (0.05 perms)

* Dry Time dependent of surface porosity and temperature.

If product is applied near a ventillation unit of or an air conditioner, take necessary precautions to avoid infiltration solvent odor inside. Protect freshly applied product and open container from open flame and adjacent welding activity. For EXTERIOR USE only.
5 years limited warranty when installed and / or applied as recommended by the manufacturer. We will replace the product with a manufacturing defect. Under no circumstances will the manufacturer be liable for any amount in excess of the purchase price of the product used. The consumer must ensure that this product is suitable for the intended use. Because of atmospheric conditions, applicator competence and surface conditions being independent of the manufacturer's control, we limit our liability for one year following the date of purchase, with proof of purchase, to replacement of defective material only in its original hermetic container. Port paid factory (FAB factory).

Hydropatch Plastic Cement
Hydropatch Plastic Cement
Sans Amiante

Flammable liquid and vapour. May be fatal if swallowed and enters airways. Causes serious eye irritation. May cause cancer. Suspected of damaging fertility or the unborn child. Causes damage to organs through prolonged or repeated exposure.

Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. Do not breathe dust/fumes/gas/mist/vapours/spray. Wash exposed and/or contaminated area thoroughly after handling. Do not eat, drink or smoke when using this product. Wear protective gloves/protective clothing/eye protection/face protection.

IF SWALLOWED: Do NOT induce vomiting. Immediately call a POISON CENTER or a doctor IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing. If exposed: Call a POISON CENTER or doctor/physician. Get medical advice/attention if you feel unwell. If eye irritation persists get medical advice/attention. In case of fire: Use water fog, foam, dry chemical or carbon dioxide. Do not use straight of water. Store in a well ventilated place. Keep cool. Store locked up. Dispose of contents / container by a local waste disposal company according to regional regulations.

PDFdownload PDF version